On June 22, 2022 AVEO Oncology (Nasdaq: AVEO), a commercial stage, oncology-focused biopharmaceutical company, reported that it has entered into a clinical trial collaboration and supply agreement in North America with Eli Lilly and Company (Lilly) to evaluate ficlatuzumab in combination with ERBITUX (cetuximab), an anti-EGFR antibody, in patients with recurrent or metastatic head and neck squamous cell carcinoma (R/M HNSCC) (Press release, AVEO, JUN 22, 2022, View Source [SID1234616168]). Ficlatuzumab is AVEO’s investigational potent humanized immunoglobulin G1 monoclonal antibody that targets hepatocyte growth factor.

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"This clinical trial collaboration and supply agreement with Lilly follows a similar engagement we entered into with Merck KGaA, Darmstadt, Germany earlier this year, both of which we believe serve as validation for our ficlatuzumab clinical development plan. We expect these collaborations will play an important role in the advancement of the combination of ficlatuzumab and cetuximab," said Michael Bailey, president and chief executive officer of AVEO. "We reported positive Phase 2 clinical data last year that show ficlatuzumab in combination with cetuximab has the potential to play a meaningful role in the treatment of patients with human papillomavirus (HPV) negative R/M HNSCC, which is associated with particularly poor outcomes. We continue to be in discussions with regulators on the final design of a potential pivotal study for this combination therapy, which we expect to commence in the first half of 2023."

Under the terms of the agreement, Lilly will provide cetuximab clinical drug supply in the U.S. and Canada for AVEO’s potential registrational study, which will assess ficlatuzumab with cetuximab in HPV negative R/M HNSCC. AVEO will serve as the study sponsor and will be responsible for trial execution.

In June 2021, AVEO announced positive results from a randomized Phase 2 study of ficlatuzumab alone or in combination with cetuximab in patients with pan-refractory metastatic HNSCC. Of note, patients with HPV negative disease, a subgroup normally associated with poorer outcomes, who received the ficlatuzumab and cetuximab combination demonstrated both a superior overall response rate, including two patients with complete responses, and median progression free survival superior to historical data for current standards of care. In September 2021, the FDA awarded Fast Track designation for the combination of ficlatuzumab and cetuximab in HPV negative relapsed/recurrent HNSCC. A copy of the presentation is available at www.aveooncology.com.

AVEO recently commenced manufacturing of ficlatuzumab clinical supply in the second quarter of 2022, with the potential registrational study expected to be initiated in the first half of 2023. AVEO expects to continue to discuss potential ficlatuzumab pivotal study designs with the FDA and to continue ongoing partnership dialogues.

About Ficlatuzumab

Ficlatuzumab (formerly known as AV-299) is a potent hepatocyte growth factor (HGF) immunoglobulin G1 (IgG1) inhibitory antibody that binds to the HGF ligand with high affinity and specificity. HGF is the natural ligand of c-Met and blocking HGF inhibits signaling through the HGF/c-Met signaling pathway. Ficlatuzumab is currently being evaluated in squamous cell carcinoma of the head and neck (HNSCC) and pancreatic cancer. The U.S. Food and Drug Administration designated as a Fast Track development program the investigation of ficlatuzumab and ERBITUX (cetuximab) for relapsed/recurrent HNSCC in September 2021.

On June 22, 2022 Aura Biosciences Inc. (NASDAQ: AURA), a clinical-stage biotechnology company developing a novel class of virus-like drug conjugate (VDC) therapies for multiple oncology indications, reported results from a retrospective, matched case control study (Press release, Aura Biosciences, JUN 22, 2022, View Source [SID1234616167]). This retrospective analysis assessed the visual acuity of patients following treatment with plaque radiotherapy compared with prospective data on visual acuity in subjects with early-stage choroidal melanoma treated with belzupacap sarotalocan by intravitreal administration in the Phase 1b/2 trial (NCT03052127).

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"These results point to the high unmet medical need for a first line vision preserving therapy for the treatment of early-stage choroidal melanoma given the high levels of irreversible visual acuity loss with the current standard of care with radiotherapy," said Carol Shields, MD, Chief of the Ocular Oncology Service at Wills Eye Hospital and Professor of Ophthalmology at Thomas Jefferson University. "Being able to treat the disease early, avoid radiotherapy and spare long-term vision loss in many patients, as well as potentially reducing the risk of metastatic disease, could represent a paradigm shift in our approach to the treatment of choroidal melanoma. This would be a significant improvement in the quality of life for patients with this life-threatening rare disease."

Results from the Retrospective Study

Study Design

This retrospective, matched case control study compared visual acuity outcomes for 43 patients from Aura’s Phase 1b/2 trial evaluating intravitreal administration of belzupacap sarotalocan in patients with early-stage choroidal melanoma (AU-011-101, NCT03052127) to 150 patients from the subject database of a previously completed and published study where patients with small choroidal melanoma had been treated with plaque radiotherapy (Shields, et al. "Visual Outcome and Millimeter Incremental Risk of Metastasis in 1780 Patients With Small Choroidal Melanoma Managed by Plaque Radiotherapy." JAMA Ophthalmology. September 27, 2018). Both cohorts of patients were at high risk for vision loss due to having the tumor edge within 3.0 mm of the fovea. The patients were matched for tumor height, tumor diameter, distance from the fovea and baseline visual acuity, which are among the core factors that impact visual acuity after treatment.

Key Findings:

The vision results of patients with early-stage choroidal melanoma treated with radiotherapy showed the long term, progressive and irreversible loss of visual acuity in patients where tumors were close to the fovea.

The loss of vision in radiotherapy patients was ≥3 lines in a majority of patients as early as 2 years and ≥6 lines as early as 3 years.

We believe the comparison of the belzupacap sarotalocan and radiotherapy results supports the potential benefit of a targeted treatment achieving a statistically significant difference in visual acuity preservation as soon as two years including for both logMAR (Logarithm of the Minimum Angle of Resolution) vision (p = 0.0094) and change in logMAR vision (p = 0.0323).

We believe the progressive loss of visual acuity with radiotherapy observed in this retrospective study underscores the urgent need for a vision preserving targeted therapy.

The findings of this retrospective study were consistent with published clinical data supporting the irreversible loss of visual acuity after treatment with radiotherapy.

"We are committed to developing the first potential targeted therapy for patients with early-stage choroidal melanoma. We believe the visual acuity results of the retrospective matched case control study are exciting because they support the high unmet medical need for a long-term vision preserving therapy," said Dr. Cadmus Rich, Chief Medical Officer and Head of R&D of Aura Biosciences. "Belzupacap sarotalocan is currently being evaluated in a Phase 2 dose escalation clinical trial (AU-011-202, NCT04417530) using suprachoroidal administration in patients with early-stage choroidal melanoma. We remain on track to initiate our pivotal trial by the end of 2022."

Study Limitations include the retrospective nature and utilizing a matched case control design. The mean follow-up for patients treated with belzupacap sarotalocan in this initial analysis was 15.6 months. Due to the retrospective nature of this analysis, it is hypothesis-generating; no formal conclusions can be drawn. Aura has also initiated a prospective matched case control study to further evaluate the long-term visual acuity results of belzupacap sarotalocan from the Phase 2 trial AU-011-202 using suprachoroidal administration versus radiotherapy.

On June 22, 2022 Athenex, Inc., (NASDAQ: ATNX), a global biopharmaceutical company dedicated to the discovery, development, and commercialization of novel therapies for the treatment of cancer and related conditions, reported the signing of a definitive agreement for the sale of revenues from U.S. and European royalty and milestone interests in Klisyri (tirbanibulin) to Sagard Healthcare Partners and funds managed by Oaktree Capital Management, L.P. ("Oaktree") for $85 million (Press release, Athenex, JUN 22, 2022, View Source [SID1234616166]). Approximately $80 million of the proceeds from the transaction will be used toward partially paying down existing debt and operating the business, with $5 million to be placed into escrow and paid to Athenex upon the satisfaction of certain conditions. The transaction is subject to customary closing conditions.

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"We are executing on our new strategy and will continue to deliver on the objectives that we laid out to extend our cash runway by over 18 months. We are pleased to enter into this agreement, as we believe it generates meaningful benefits for our stockholders as we continue to pay down debt and extend our cash runway," said Dr. Johnson Lau, Chief Executive Officer of Athenex. "The sale of the revenues from the U.S. and European royalty and milestone interests in Klisyri represents another step in continuing to monetize non-core assets to focus on developing our potential best-in-class NKT cell platform."

Ladenburg Thalmann & Co. Inc. and Royalty/Revenue Interest Capital Advisors LLC served as financial advisors to Athenex and Cooley LLP served as legal counsel to Athenex. Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. served as legal counsel to Sagard Holdings and Oaktree.

On June 22, 2022 Alpha Tau Medical Ltd. ("Alpha Tau"), the developer of the innovative alpha-radiation cancer therapy Alpha DaRT, reported that the first patient was treated in a feasibility study evaluating the Alpha DaRT as a neoadjuvant therapy in patients with prostate cancer at the Rambam Health Care Center in Haifa, Israel (Press release, Alpha Tau Medical, JUN 22, 2022, View Source [SID1234616165]).

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The primary objectives of this study are to assess the feasibility and safety of intratumoral Alpha DaRT source implantation for the treatment of local prostate cancer prior to surgery. Secondary objectives include assessing radiological and pathological objective response rate of the tumor, and changes in quality of life measures. The study involves two separate procedures, with surgical resection of the prostate 50 days following Alpha DaRT source insertion, and can recruit up to 10 patients. The surgical resection will be performed at the Carmel Medical Center in Haifa, Israel using a da Vinci surgical robot, and will be led by Dr. Yuval Freifeld and his senior team.

"This is a historic day for Alpha Tau," said Alpha Tau CEO Uzi Sofer. "After gaining a wealth of experience in treating superficial cancers such as those of the skin, head & neck, and breast, we are thrilled to have treated the first prostate patient, our first internal organ treatment. Our pre-clinical data show that the Alpha DaRT technology may have potential to address a very broad range of solid tumor types, and our strategy is to expand our clinical studies across multiple tumor types in order to evaluate the full potential of the Alpha DaRT. This study suggests our ability to deliver this promising treatment beyond superficial tumors and is an important milestone in executing on this strategy."

Alpha Tau CMO Dr. Robert Den remarked, "Since the prostate is surgically removed 50 days after the Alpha DaRT insertion, the neoadjuvant design of this trial will allow us to analyze the pathological response of tissues to the Alpha DaRT. This will hopefully provide very valuable information to our researchers and allow us to compare theoretical versus actual cell damage."

Dr. Tomer Charas, head of the GU Radiotherapy Unit in the Oncology Division at Rambam Health Care Center in Haifa, Israel, and principal investigator of the study, commented, "We are excited to be leading this trial in collaboration with the Carmel Urology team, and to be the first to evaluate Alpha DaRT in prostate cancer in patients. Based on the results from preclinical studies, it is possible that neoadjuvant treatment with the Alpha DaRT may also trigger an immune response, which could help decrease the risk of tumor recurrence. In addition, a preferable safety profile has been observed to date in treatments of other tumor types."

On June 22, 2022 Plus Therapeutics, Inc. (Nasdaq: PSTV), a clinical-stage pharmaceutical company developing innovative, targeted radiotherapeutics for rare and difficult-to-treat cancers, and Biocept, Inc. (Nasdaq: BIOC), a leading provider of molecular diagnostic assays, products and services, reported a multi-year agreement to employ Biocept’s cerebrospinal fluid (CSF) assay CNSide1 in Plus Therapeutics’ ReSPECT-LM Phase 1/2a dose-escalation clinical trial of Rhenium-186 NanoLiposome (186RNL) for the treatment of patients with leptomeningeal metastases (LM), which is cancer in the membranes that surround the brain and spinal cord (Press release, Cytori Therapeutics, JUN 22, 2022, View Source [SID1234616164]).

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CNSide is an assay based on Biocept’s proprietary quantitative tumor cell capture method paired with advanced digital imaging and molecular markers used to detect, characterize and quantify tumor cells in CSF of patients with a variety of solid organ carcinomas and suspected LM, particularly breast and lung cancer which are leading causes of LM. CNSide provides a robust quantitative method to evaluate tumor status and response to treatment compared to conventional CSF cytology or radiologic monitoring.

"LM and the therapeutic response to 186RNL can theoretically be assessed through periodic sampling of tumor cells in the CSF," said Norman LaFrance, M.D., Chief Medical Officer and SVP of Plus Therapeutics. "Every LM patient in the ReSPECT-LM trial will have permanent access to the CSF via an intraventricular catheter placed in the cerebral ventricles before treatment, permitting medical staff to draw CSF as easily as blood. The CNSide technology is the most sophisticated and powerful technology available for monitoring tumor status and therapeutic response and can be seamlessly implemented into the ReSPECT-LM trial for the potential benefit of patients with LM."

"We see a significant opportunity for Plus Therapeutics to use our CNSide assay to monitor tumor burden in the CSF and response to treatment, and to profile specific cellular biomarkers which may inform their cancer radiotherapeutic drug development activities," said Michael Dugan, M.D., Biocept’s Chief Medical Officer and Medical Director. "CNSide has the potential to improve our understanding of therapy response in patients with LM treated with novel therapeutic approaches. This represents an area of very high unmet need in the care of cancer patients with certain forms of brain metastasis that are life-threatening."